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- computer programs (1)
- job hunting (1)
- labor market (1)
- orthogonal frequency division multiplexing (1)
- personnel management (1)
- robots, industrial (1)
- technological innovations (1)
- vocational qualifications (1)
- wireless communication systems (1)
- 制造工业 (1)
- 劳动定额 (1)
- 口语 (1)
- 工程技术人员 (1)
- 船员 (1)
- 英语 (1)
- 计算方法 (1)
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